Electroluminescent device with anthracene derivatives hole transport layer

Abstract

An organic multilayer electroluminescent device including an anode and cathode, and including therebetween a hole transport layer; and an electron transport layer disposed in operative relationship with the hole transport layer; wherein the hole transport layer includes an organic compound having the formula: wherein: substituents R 1 , R 2 , R 3 and R 4 are each individually hydrogen, or alkyl of from 1 to 24 carbon atoms; aryl or substituted aryl of from 5 to 20 carbon atoms; or heteroaryl or substituted heteroaryl of from 5 to 24 carbon atoms; or fluorine, chlorine, bromine; or cyano group.

What is claimed is:  
     
       1. An organic multilayer electroluminescent device including an anode and cathode, and comprising therebetween: 
       a hole transport layer; and  
       an electron transport layer disposed in operative relationship with the hole transport layer;  
       wherein: 
       the hole transport layer does not include an aromatic amine and comprises an organic compound having the formula:                    
       wherein: 
       substituents R 1 , R 2 , R 3 , and R 4 , are each individually hydrogen, or alkyl of from 1 to 24 carbon atoms; aryl or substituted aryl of from 5 to 20 carbon atoms; or heteroaryl or substituted heteroaryl of from 5 to 24 carbon atoms; or fluorine, chlorine, bromine; or cyano group.  
     
     
       2. An organic multilayer electroluminescent device including an anode and cathode, and comprising therebetween: 
       a hole transport layer; and  
       an electron transport layer disposed in operative relationship with the hole transport layer;  
       wherein: 
       the hole transport layer includes an organic compound having the formula:                    
       wherein: 
       substituents R 1 , R 2 , R 3  and R 4 , are each individually hydrogen, or alkyl of from 1 to 24 carbon atoms; aryl or substituted aryl of from 5 to 20 carbon atoms; or heteroaryl or substituted heteroaryl of from 5 to 24 carbon atoms; or fluorine, chlorine, bromine; or cyano group.  
     
     
       3. An organic multilayer electroluminescent device including an anode and cathode, and comprising therebetween: 
       a hole transport; and  
       an electron transport layer disposed in operative relationship with the hole transport layer;  
       wherein: 
       the hole transport layer comprises an organic compound having the formula:                    
       wherein: 
       substituents R 1 , R 2 , R 3 , R 4 , R 5 , and R 6  are each individually hydrogen, or alkyl of from 1 to 24 carbon atoms; aryl or substituted aryl of from 5 to 20 carbon atoms; or heteroaryl or substituted heteroaryl of from 5 to 24 carbon atoms; or fluorine, chlorine, bromine; or cyano group.  
     
     
       4. An organic multilayer electroluminescent device including an anode and cathode, and comprising therebetween: 
       a hole transport layer; and  
       an electron transport layer disposed in operative relationship with the hole transport layer;  
       wherein: 
       the hole transport layer comprises an organic compound having the formula:                    
       wherein: 
       substituents R 1 , R 2 , R 3 , and R 4  are each individually hydrogen, or alkyl of from 1 to 24 carbon atoms; aryl or substituted aryl of from 5 to 20 carbon atoms; or heteroaryl or substituted heteroaryl of from 5 to 24 carbon atoms; or fluorine, chlorine, bromine; or cyano group.  
     
     
       5. An organic multilayer electroluminescent device including an anode and cathode, and comprising therebetween: 
       a hole transport layer; and  
       an electron transport layer disposed in operative relationship with the hole transport layer;  
       wherein: 
       the hole transport layer comprises an organic compound having the formula:                    
       wherein: 
       substituents R 1 , R 2 , R 3 , R 4 , and R 5  are each individually hydrogen, or alkyl of from 1 to 24 carbon atoms; aryl or substituted aryl of from 5 to 20 carbon atoms; or heteroaryl or substituted heteroaryl of from 5 to 24 carbon atoms; or fluorine, chlorine, bromine; or cyano group.  
     
     
       6. An organic multilayer electroluminescent device including an anode and cathode, and comprising therebetween: 
       a hole transport layer; and  
       an electron transport layer disposed in operative relationship with the hole transport layer;  
       wherein: 
       the hole transport layer comprises an organic compound having the formula;                    
       wherein: 
       substituents R 1 , R 2 , R 3 , R 4 , and R 5  are each individually hydrogen, or alkyl of from 1 to 24 carbon atoms; aryl or substituted aryl of from 5 to 20 carbon atoms; or heteroaryl or substituted heteroaryl of from 5 to 24 carbon atoms; or fluorine, chlorine, bromine; or cyano group.  
     
     
       7. An organic multilayer electroluminescent device including an anode and cathode, and comprising therebetween: 
       a hole transport layer; and  
       an electron transport layer disposed in operative relationship with the hole transport layer;  
       wherein: 
       the hole transport layer comprises an organic compound having the formula:                    
       wherein: 
       substituents R 1 , R 2 , R 3 , and R 4  are each individually hydrogen, or alkyl of from 1 to 24 carbon atoms; aryl or substituted aryl of from 5 to 20 carbon atoms; or heteroaryl or substituted heteroaryl of from 5 to 24 carbon atoms; or fluorine, chlorine, bromine; or cyano group.  
     
     
       8. An organic multilayer electroluminescent device including an anode and cathode, and comprising therebetween: 
       a hole transport layer; and  
       an electron transport layer disposed in operative relationship with the hole transport layer;  
       wherein: 
       the hole transport layer comprises an organic compound having the formula:                    
       wherein: 
       substituents R 1 , R 2 , R 3 , R 4  and R 5  are each individually hydrogen, or alkyl of from 1 to 24 carbon atoms; aryl or substituted aryl of from 5 to 20 carbons atoms; or heteroaryl or substituted heteroaryl of from 5 to 24 carbon atoms; or fluorine, chlorine, bromine; or cyano group.  
     
     
       9. An organic multilayer electroluminescent device including an anode and cathode, and comprising therebetween: 
       a hole transport layer; and  
       an electron transport layer disposed in operative relationship with the hole transport layer;  
       wherein: 
       the hole transport layer comprises an organic compound having the formula:                    
       wherein: 
       substituents R 1 , R 2 , R 3 , and R 4  are each individually hydrogen, or alkyl of from 1 to 24 carbon atoms; aryl or substituted aryl of from 5 to 20 carbon atoms; or heteroaryl or substituted heteroaryl of from 5 to 24 carbon atoms; or fluorine, chlorine, bromine; or cyano group.  
     
     
       10. An organic multilayer electroluminescent device including an anode and cathode, and comprising therebetween: 
       a hole transport layer; and  
       an electron transport layer disposed in operative relationship with the hole transport layer;  
       wherein: 
       the hole transport layer comprises an organic compound having the formula:                    
       wherein: 
       substituents R 1 , R 2 , R 3 , and R 4  are each individually hydrogen, or alkyl of from 1 to 24 carbon atoms; aryl or substituted aryl of from 5 to 20 carbon atoms; or heteroaryl or substituted heteroaryl of from 5 to 24 carbon atoms; or fluorine, chlorine, bromine; or cyano group.  
     
     
       11. An organic multilayer electroluminescent device including an anode and cathode, and comprising therebetween: 
       a hole transport layer; and  
       an electron transport layer disposed in operative relationship with the hole transport layer;  
       wherein: 
       the hole transport layer comprises an organic compound selected from the group consisting of:                  
                 
                   
       wherein: 
       substituents R 1 , R 2 , R 3 , R 4 , R 5 , and R 6  are each individually hydrogen, or alkyl of from 1 to 24 carbon atoms; aryl or substituted aryl of from 5 to 20 carbon atoms; or heteroaryl or substituted heteroaryl of from 5 to 24 carbon atoms; or fluorine, chlorine, bromine; or cyano group.